Consumer goods company Unilever warned on Monday that a slowdown in its emerging markets accelerated in the third quarter and it now expects underlying sales growth of just 3 to 3.5 percent in the period.

LONDON, Oct 4- Consumer goods group Unilever Plc/ NV is looking at a possible sale of its Skippy peanut butter business based in the United States and Canada which could, if sold, fetch around $400 million.